| 单词 | a controlled experiment |
| 释义 | controlled experimentDefinition An experiment in which an observer tests a hypothesis by looking for changes brought on by alterations to a variable. In a controlled experiment, an independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect. Use 'controlled experiment' in a SentenceThe scientist were gathered around the computer looking at the data being produced by the controlled experiment watching as the data changed with the caning of the independent variable in the experiment. In this controlled experiment regarding the efficacy of the flu vaccine, the variable that was manipulated was the timing of the flu shot. When funding was being requested, the researchers usually preferred the simplicity of a controlled experiment because the data was easier for everyone to understand. |
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